Home / 1,948.87-2,925.60-1,538.29

Finding the Fourth Proportional to 1,948.87, 2,925.60 and 1,538.29

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Solution

The fourth proportional to 1,948.87, 2,925.60 and 1,538.29 is: 2,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.87 : 2,925.60 = 1,538.29 : x
  2. Step 2: Convert to fraction form
    1,948.87/2,925.60 = 1,538.29/x
  3. Step 3: Cross multiply
    1,948.87x = 2,925.60 × 1,538.29
  4. Step 4: Simplify right side
    1,948.87x = 4,500,421.22
  5. Step 5: Solve for x
    x = 4,500,421.22/1,948.87
  6. Step 6: Final answer
    x = 2,309.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.